Philips JL2.1E - Page 236

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 236 JL2.1E AA9.
9.17.17 Diagram SA3, TDA7482 (7702)
Figure 9-53 Internal block diagram and pin configuration
TDA7482
1
2
3
4
5
6
7
9
10
11
8
+V
CC SIGN
ST-BY/MUTE
IN
-V
CC SIGN
SGN-GND
FREQ
FEEDCAP
N.C.
BOOT
BOOTDIODE
OUT
TAB CONNECTED TO PIN 8
13
14
15
12
-V
CC POW
-V
CC POW
+V
CC POW
VREG
D96AU539A
Pin Configuration (Top View)
L1 60µH
8Ω
+
-
+
-
PWM
PRE
9
5
C2 0.33µF
IN1
C4 4.7nF
FEEDCAP
OUT
BOOT
C11
100nF
C12
560pF
R5
150Ω
C14
470nF
3
1
VREG
C15
100nF
R4 12KΩ
12
2
C10
2200µF
C9
100nF
SGN-GND
7
MUTEST-BY 10
13 11
+VCC
ST-BY/
MUTE
C1
2.2
µF
R3
30K
R2
10K
V
CC SIGN
C7
2200µF
IN1
D96AU538C
-VCC
(Pin 14,15)
C6
100nF
C3
1nF
R1
10K
+5V
V
CC POW
4
N.C.
C5 100nF
BOOTDIODE
C8
270pF
6 8 14,15
-V
CC SIGN
FREQ -V
CC POW
(R
F
) -VCC
F_15710_169.eps
230905
Block Diagram